HOW CAN I SOLVE THIS DTC PO507 IDLE AIR CONTROL SYSTEM RPM HIGHER THAN EXPECTED

  • Tiny
  • Oobie
  • 2005 Infiniti FX
  • 145,435 miles

Hello Bob, am an auto mechanic. I got this DTC(PO507, Idle Air Control System RPM Higher than expected) from an Infinity FX 35 am working on. It's a hard nut for me, I need your advice on how to solve this problem. Thanks

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Wednesday, June 13th, 2012 AT 8:28 PM

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  • Tiny
  • rasmataz
  • Member

Clean out the IACV and also look for a vacuum leak, check IACV wiring back to computer and computer itself

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Wednesday, June 13th, 2012 AT 8:46 PM

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